#!/sbin/openrc-run
# Distributed under the terms of the GNU General Public License v2

DAEMON=/usr/sbin/lxd
PIDFILE=/run/lxd.pid

depend() {
	need net
	need lxcfs
}

start() {
	ebegin "Starting lxd service"

	modprobe -f loop > /dev/null 2>&1

	# fix permissions on /var/lib/lxd and make sure it exists
	install -d /var/lib/lxd --group lxd --owner root --mode 0775
	start-stop-daemon --start \
		--pidfile ${PIDFILE} \
		--exec ${DAEMON} \
		--background \
		--make-pidfile \
		-- \
		${LXD_OPTIONS}
	eend ${?}
}

stop() {
	if [ "${RC_CMD}" = restart ]; then
		ebegin "Stopping lxd service (but not containers)"
		# start-stop-daemon sends SIGTERM with a timeout of 5s by default.
		# SIGTERM indicates to LXD that it will be stopped temporarily.
		# Instances will keep running.
		start-stop-daemon --stop --quiet -p "${PIDFILE}"
		eend ${?}
	else
		ebegin "Stopping lxd service and containers, waiting 40s"
		# SIGPWR indicates to LXD that the host is going down.
		# LXD will do a clean shutdown of all instances.
		# After 30s all remaining instances will be killed.
		# We wait up to 40s for LXD.
		start-stop-daemon --stop --quiet -R SIGPWR/40 -p "${PIDFILE}"
		eend ${?}
	fi
}
